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-rw-r--r--source4/rpc_server/winreg/rpc_winreg.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/source4/rpc_server/winreg/rpc_winreg.c b/source4/rpc_server/winreg/rpc_winreg.c
index c12c0c52e7..7a33a88e0d 100644
--- a/source4/rpc_server/winreg/rpc_winreg.c
+++ b/source4/rpc_server/winreg/rpc_winreg.c
@@ -491,19 +491,23 @@ static WERROR dcesrv_winreg_QueryValue(struct dcesrv_call_state *dce_call,
case SECURITY_SYSTEM:
case SECURITY_ADMINISTRATOR:
case SECURITY_USER:
+ if ((r->in.type == NULL) || (r->in.data_length == NULL) ||
+ (r->in.data_size == NULL)) {
+ return WERR_INVALID_PARAM;
+ }
+
result = reg_key_get_value_by_name(mem_ctx, key,
r->in.value_name->name, &value_type, &value_data);
if (!W_ERROR_IS_OK(result)) {
/* if the lookup wasn't successful, send client query back */
- value_type = 0;
- if (r->in.type != NULL) {
- value_type = *r->in.type;
- }
+ value_type = *r->in.type;
value_data.data = r->in.data;
- value_data.length = 0;
- if (r->in.data_length != NULL) {
- value_data.length = *r->in.data_length;
+ value_data.length = *r->in.data_length;
+ } else {
+ if ((r->in.data != NULL)
+ && (*r->in.data_size < value_data.length)) {
+ return WERR_MORE_DATA;
}
}